/Engine/Source/Runtime/MovieScene/Public/Evaluation/PreAnimatedState/MovieScenePreAnimatedStateStorage.h
Simple traits class that works with the simple storage below. The only thing that is needed is a `void RestoreState(KeyType, Params)_ method on the state class.
template<typename InKeyType, typename InStorageType> struct TSimplePreAnimatedStateTraits : public [UE::MovieScene::FPreAnimatedStateTraits](API\Runtime\MovieScene\Evaluation\PreAnimatedState\FPreAnimatedStateTraits)